A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

The commemorative stone column conceals a secret laboratory.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

An unusual monument to a 19th-century circus star.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

A tribute to an explorer and naturalist often overlooked by history.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

Decrepit Victorian public lift is a white-knuckle ride.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

This concept building is the UK's first attempt at making a permanent structure of nothing but trash.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A comic book store that puts the marvel back in marvellous.

East London art gallery showcasing contemporary art from Europe's Eastern Bloc.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

The largest clown school in Britain offering accredited degrees.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

Historic church where a number of Shakespeare's actors are buried.